@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;600&family=IBM+Plex+Serif:wght@400;600&display=swap");

:root {
  --bg: #0c0f14;
  --surface: #151a22;
  --text: #e6edf5;
  --muted: #8b9cb3;
  --accent: #3b82f6;
  --accent-hover: #60a5fa;
  --border: rgba(255,255,255,0.08);
  --max: 680px;
  --wide: 1040px;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: "IBM Plex Serif", Georgia, serif; background: var(--bg); color: var(--text); line-height: 1.65; font-size: 1.05rem; }
a { color: var(--accent); text-decoration: none; border-bottom: 1px solid rgba(59,130,246,0.35); }
a:hover { color: var(--accent-hover); }

header { position: sticky; top: 0; z-index: 10; background: rgba(12,15,20,0.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); }
nav { max-width: var(--wide); margin: 0 auto; padding: 0.75rem 1.25rem; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.75rem; }
.brand { font-family: "IBM Plex Sans", sans-serif; font-weight: 600; border: none; font-size: 1rem; }
nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 1rem; font-family: "IBM Plex Sans", sans-serif; font-size: 0.88rem; }
nav a[aria-current="page"] { color: var(--text); border-bottom-color: var(--accent); }

main { max-width: var(--wide); margin: 0 auto; padding: 2rem 1.25rem 4rem; }
.hero { max-width: var(--max); margin-bottom: 2rem; }
.hero-small h1 { font-size: clamp(1.6rem, 4vw, 2rem); }
.subtitle { font-family: "IBM Plex Sans", sans-serif; text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.72rem; color: var(--accent); margin: 0 0 0.4rem; }
h1 { font-size: clamp(1.85rem, 4.5vw, 2.5rem); line-height: 1.2; margin: 0 0 0.75rem; }
h2 { font-family: "IBM Plex Sans", sans-serif; font-size: 1.2rem; margin: 2rem 0 0.75rem; }
.lead { color: var(--muted); font-size: 1.1rem; }

.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1rem; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 1.15rem; }
.card h2, .card h3 { margin: 0 0 0.5rem; font-family: "IBM Plex Sans", sans-serif; font-size: 1.05rem; }
.card h2 a, .card h3 a { border: none; }
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.tjm { color: var(--accent) !important; font-family: "IBM Plex Sans", sans-serif; font-weight: 600; font-size: 0.85rem !important; margin-bottom: 0.35rem !important; }

.link-list { list-style: none; padding: 0; }
.link-list li { padding: 0.4rem 0; border-bottom: 1px solid var(--border); }

.article-index { list-style: none; padding: 0; margin: 0; }
.article-index li { display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; align-items: baseline; padding: 0.65rem 0; border-bottom: 1px solid var(--border); }
.article-index .cat, .cat-badge { font-family: "IBM Plex Sans", sans-serif; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--accent); }
.cat-badge { margin: 0 0 0.5rem; }
.cat-badge a { border: none; }
.article-index time, .meta { font-family: "IBM Plex Sans", sans-serif; font-size: 0.82rem; color: var(--muted); margin-left: auto; }

.breadcrumbs { max-width: var(--wide); margin: 0 auto; padding: 0.5rem 1.25rem 0; font-family: "IBM Plex Sans", sans-serif; font-size: 0.82rem; }
.breadcrumbs ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.35rem; color: var(--muted); }
.breadcrumbs li:not(:last-child)::after { content: "›"; margin-left: 0.35rem; }

.article { max-width: var(--max); }
.article .meta { font-family: "IBM Plex Sans", sans-serif; font-size: 0.85rem; color: var(--muted); }
.article-body h2 { margin-top: 1.75rem; padding-top: 0.5rem; border-top: 1px solid var(--border); }
.article-body table { width: 100%; border-collapse: collapse; font-size: 0.92rem; margin: 1rem 0; }
.article-body th, .article-body td { border: 1px solid var(--border); padding: 0.4rem 0.6rem; text-align: left; }
.related { margin-top: 2rem; padding: 1rem; background: var(--surface); border-radius: 8px; border: 1px solid var(--border); }
.related h2 { margin-top: 0; font-size: 0.95rem; }

footer { max-width: var(--wide); margin: 0 auto; padding: 2rem 1.25rem; border-top: 1px solid var(--border); color: var(--muted); font-family: "IBM Plex Sans", sans-serif; font-size: 0.85rem; }